<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2021/4/27
  Time: 11:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
  <head>
    <title>学生管理系统首页</title>
  </head>
  <body>
  <%--获得会话中的数据--%>
  <c:if test="${sessionScope.username eq null}">

  <a href="${pageContext.request.contextPath}/login.jsp">请登录</a>
  </c:if>
  <c:if test="${sessionScope.username ne null}">
  <a href="${pageContext.request.contextPath}/addStudent.jsp">添加学生</a>
  <a href="${pageContext.request.contextPath}/listStudentSevrlet">查看学生</a>
  </c:if>
  </body>
</html>
